Local Climatological Studies of the Temperature Conditions in an Urban Area

The following article deals with an investigation of the local variations in the horizontal temperature distribution in the Uppsala district during different times of the year, of the day and under changing weather conditions. The article treats mainly the methods of investigation, especially the choice of observation stations, but also comments briefly upon some of the results. An attempt is made to place the established temperature contrasts in relation with simple climatological elements such as cloudiness, wind velocity, temperature and absolute humidity. The article is a preliminary report of an investigation, the complete results of which are shortly to be published in Geographica (Papers from the Geographical Institute, University of Uppsala, No. 22).